Pre-sale services:1) Reply within 24 hours2) We offer the engineer consultation to your design for production improvement and cost savingAfter-sales service?We expect that our customers will become our long-term partners, based on the premise that we not only provide the technical support, but also because we provide excellent high quality after-sales service as wellWe guarantee our quality is same as confirmed sampleIf the quality difference with confirmed sample, we will solve the problem to our customer or compensate for it.